Question

Which of the following conditions are enough to know a figure is a square. (1) it is a rectangle with perpendicular diagonals (2) it is a parallelogram with four night angles (3) it is a rhombus with perpendicular diagonals (4) it is a trapezoid with two pairs of congruent sides O (1) (2) (3) (4)

Answer 1

A square is a quadrilateral with all sides equal to each other. All the sides are parallel to each other. The diagonal are perpendicular to and bisect each other . Thereofore, the condition that is enough to figure a square is

3. It is a rhombus with perpendicular diagonal.